Laws Of Motion Question 174

Question: In the above problem, if the lift moves up with a constant velocity of 2 m/sec, the reading on the balance will be [NCERT 1977]

Options:

A) 2 kg

B) 4 kg

C) Zero

D) 1 kg

Show Answer

Answer:

Correct Answer: A

Solution:

The lift is not accelerated, hence the reading of the balance will be equal to the true weight. $ R=mg=2g\ Newton $ or2 kg



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